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All installations and services must be performed by qualified service personnel.
With access to the inside of the heat exchanger through the burner area, cleanout
openings, and vent terminal connection, it is now possible to use a long, flexible wire
brush and an industrial type vacuum cleaner to remove any soot build-up.
NOTICE: A one inch (outside diameter) vacuum cleaner hose will fit into the
radiator.
To vacuum and brush the horizontal drum of the heat exchanger, enter the drum
through the clean-out openings in both directions.
2. Heat Exchanger Reassembly
After the heat exchanger has been cleaned, install the heat exchanger and
reassemble the components to their factory produced state, in reverse order of
disassembly and removal, refer to figures 9 and 10. Remount the burner being
certain that the air tube is properly inserted into the chamber opening. If heavy
soot deposits were found in the heat exchanger, this indicates that the burner
may be out of adjustment. Reset the burner, as indicated under the Initial
Burner Operation section.
Figure 10: View of OPB Heat Exchanger
Replace any damaged or corroded components. All gaskets and insulation must
be inspected, and replaced, if they show any signs of damage.
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